问题
选择题
Tom was about to close the window__________his attention was eaught by a bird.
A．when
B．if
C．and
D．till
答案
答案：A
固定搭配be about to do sth when… 刚要做某事这时…。 句意：汤姆刚要关窗户这时一只鸟吸引了他的注意。
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Tom was about to close the window__________his attention was eaught by a bird.
A．when
B．if
C．and
D．till
答案：A
固定搭配be about to do sth when… 刚要做某事这时…。 句意：汤姆刚要关窗户这时一只鸟吸引了他的注意。